#!/usr/bin/python
# -*- coding: utf-8 -*-

import os
from subprocess import Popen, PIPE

def solveIt(inputData):
    # Writes the inputData to a temporay file

    tmpFileName = 'tmp.data'
    tmpFile = open(tmpFileName, 'w')
    tmpFile.write(inputData)
    tmpFile.close()

    process = Popen(['Knapsack', tmpFileName],
                    stdout=PIPE)

    (stdout, stderr) = process.communicate()

    #removes the temporay file

    #os.remove(tmpFileName)

    tmpFileName = 'resp.txt'
    tmpFile = open(tmpFileName, 'r')
    resp = tmpFile.read()
    tmpFile.close()


    return resp
	
    # Modify this code to run your optimization algorithm

    # parse the input
    #lines = inputData.split('\n')

    #firstLine = lines[0].split()
    #nodeCount = int(firstLine[0])
    #edgeCount = int(firstLine[1])

    #edges = []
    #for i in range(1, edgeCount + 1):
    #    line = lines[i]
    #    parts = line.split()
    #    edges.append((int(parts[0]), int(parts[1])))

    # build a trivial solution
    # every node has its own color
    #solution = range(0, nodeCount)

    # prepare the solution in the specified output format
    #outputData = str(nodeCount) + ' ' + str(0) + '\n'
    #outputData += ' '.join(map(str, solution))

    #return outputData


import sys

if __name__ == '__main__':
    if len(sys.argv) > 1:
        fileLocation = sys.argv[1].strip()
        inputDataFile = open(fileLocation, 'r')
        inputData = ''.join(inputDataFile.readlines())
        inputDataFile.close()
        print solveIt(inputData)
    else:
        print 'This test requires an input file.  Please select one from the data directory. (i.e. python solver.py ./data/gc_4_1)'

